## Algebra: A Combined Approach (4th Edition)

Using order of operations, first solve parentheses, then exponents, then multiply, and last add. 5 + 2[$(7-5)^{2}$ + (1 - 3)] = 5 + 2[$(2)^{2}$ + (1 - 3)] = 5 + 2[4 + (1 - 3)] = 5 + 2[4 +(-2)] = 5 + 2[2] = 5 + 4 = 9